Block Tester BT-600 Replacement Combustion Leak Test Fluid 16 oz

Block Tester BT-600 Replacement Combustion Leak Test Fluid 16 oz

• 16 ounces / 474 ml (good for 16 tests in Block Tester brand combustion leak tester)
• Use in Block Tester brand combustion leak tester or other fluid-based leak testers
• Works with GAS or DIESEL engines as well as propane, CNG, and other alternative fuels
• When fluid turns from BLUE to YELLOW combustion leak is present

Block Tester brand replacement combustion leak test fluid (16 ounces) turns from BLUE to YELLOW in the presence of exhaust gases. Store in a cool, dark place for maximum shelf life of about 1 year.